汽车空调热负荷计算及选型算例
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Example:
一、M -Vehicle Key information Survey for Air condition
Sheet 1: Vehicle Key information Survey
1.Vehicle:Max Passenger (driver included) :5 persons
Inner volume space:3.8m3
2 Glass
Windshield : Materials: White+PVB Width:4mm Areas:1.06m2 Conduction coefficient: 6.4 Transmission rate:0.7 L-front window: Materials: Green Width:3.2mm Areas:0.33m2 Conduction coefficient:6.4 Transmission rate:0.7 R-front window: Materials:Green Width: 3.2mm Areas:0.33m2 Conduction coefficient:6.4 Transmission rate:0.7 L-rear window: Materials:Green Width: 3.2mm Areas:0.28m2 Conduction coefficient:6.4 Transmission rate:0.7 R-rear window: Materials:Green Width: 3.2mm Areas:0.28m2 Conduction coefficient:6.4 Transmission rate:0.7 Black window : Materials:Green Width: 3.2mm Areas:0.78m2 Conduction coefficient:6.4 Transmission rate:0.7 3 Roof panel
Roof outside: Materials: DC04 Width: 0.7mm Areas: 1.85m2 Conduction coefficient:48
4 Roof
Roof inside: Materials: PE+PU Width: 2mm Areas:1.85m2 Conduction coefficient:0.045
Base : Materials: PU+GF Width:4.7mm Areas:1.85m2 Conduction coefficient:0.05
Roof Back: Materials: PET Width:0.5mm Areas:1.85m2 Conduction coefficient:0.05
5 Floor
Front floor: Materials: DC04 Width: 0.8mm Areas:0.949m2 Conduction coefficient:48
Middle floor: Materials: DC04 Width: 0.7mm Areas:0.921m2 Conduction coefficient:48
Rear floor: Materials: DC04 Width: 0.7mm Areas:1.322m2 Conduction coefficient:48
Central floor: Materials: DC04 Width: 1.2mm Areas:0.688m2 Conduction coefficient:48
Damper cushion: Materials: spin felt Width: 20mm Areas: 2.26m2 Conduction coefficient:0.05
Carpet: Materials:PET+EVA Width: 5mm Areas: 2.26m2 Conduction coefficient:0.05
6 Firewall
Dash panel Materials: B180H1 Width:1.2mm Areas: 1.17m2 Conduction coefficient:48
Outside damper Materials:Al-foil+PET
GF+PET Width:25mm Areas:0.75 m2 Conduction coefficient:0.045
Inside damper Materials: EVA+PU Width:25mm Areas:0.295m2 Conduction coefficient:0.05
In- down damper Materials: EVA+PU Width:25mm Areas:0.737 m2 Conduction coefficient:0.05
7Side body
Outside Materials: DC04 Width: 0.7 mm Areas:1.4m2 Conduction coefficient:48
Inside Materials:B340/590DP
/B340LA Width: 1.5 mm Areas:1.4m2 Conduction coefficient:48
Inside trim Materials: PP-T20 Width: 2.5 mm Areas:1.4m2 Conduction coefficient:0.05
8.Door
Outside Materials:B180H1 Width: 0.7 mm Areas:2.81m2 Conduction coefficient:48
Inside Materials: DC04 Width: 0.8 mm Areas:2.81m2 Conduction coefficient:48
Inside trim Materials:ABS+PVC+
PP+EPDM-T20 Width:3mm Areas:2.81m2 Conduction coefficient:0.05
备注:Conduction coefficient单位为:w/m2.k
二、Air Conditioning Performance Setting
2.1 Test procedure: 4 person, 40km/h(60min)-idle(20min)-90km/h(20min),
Other specification can refer to standards
2.2 AC target setting according to SOR,
Sheet2
三、Refrigerant Heat load Computation
3.1 Some data needed in computation
3.1.1、Surface area,